What it means
A shortened chemical name for morphineMOR-feenA strong opioid drug used to relieve moderate to severe pain.Full entry sulfate. In an order it has been misread as MgSO4, magnesium sulfate, a very different drug. The Joint Commission's "Do Not Use" list bans MSO4, MS and MgSO4: write "morphine sulfate" in full.
For the nurse
If an order says MSO4, contact the prescriber to confirm the full drug name before giving it. Write the full name yourself.
At a glance
| Also written | MSO₄ |
|---|